Power Button Board - HP ProBook 645 G4 Maintenance And Service Manual

Power button board

Description
Power button board (includes cable)
Before removing the power button board, follow these steps:
1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the following components:
a. Bottom cover (see
b. Battery (see
c. Hard drive (see
d. Solid-state drive (see
e. WWAN module (see
f. Keyboard (see
g. Internal frame (see
Remove the power button board:
1. Position the computer upright and open as far as possible.
2. Disconnect the power button board cable from the system board (1).
Bottom cover on page
Battery on page 34)
Hard drive on page 37)
Solid-state drive on page
WWAN module on page
Keyboard on page 43)
Internal frame on page
33)
39)
40)
47)
Component replacement procedures
Spare part number
L09552-001
63